(3GdeLdI GdGLJeGYjI GdbhejI(B.s (3SHJeHQ (B1973 /s ((3GdbGgQI (B:s (3GdeQcR Gdbhej ddHMhK GdGLJeGYjI hGdLfGFjI,s, 1973)
(3GMJjGLGJ WdGH GdLGeYGJ (B/s (3djdi YHOGdLhGO(B.s
(3GdeLdO GdYGTQ(B: (3GdYOO GdKGdK(B.s
Keywords: (3bhGfjf hJTQjYGJs -- (3OhQjGJs